GB600073A - Radio identifying system - Google Patents

Radio identifying system

Info

Publication number
GB600073A
GB600073A GB6744/45A GB674445A GB600073A GB 600073 A GB600073 A GB 600073A GB 6744/45 A GB6744/45 A GB 6744/45A GB 674445 A GB674445 A GB 674445A GB 600073 A GB600073 A GB 600073A
Authority
GB
United Kingdom
Prior art keywords
recurrence frequency
pulse
recurrence
interrogator
frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB6744/45A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB600073A publication Critical patent/GB600073A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/282—Transmitters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB6744/45A 1944-03-18 1945-03-16 Radio identifying system Expired GB600073A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US527074A US2459811A (en) 1944-03-18 1944-03-18 Radio identifying system

Publications (1)

Publication Number Publication Date
GB600073A true GB600073A (en) 1948-03-31

Family

ID=24099991

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6744/45A Expired GB600073A (en) 1944-03-18 1945-03-16 Radio identifying system

Country Status (6)

Country Link
US (1) US2459811A (fr)
BE (1) BE481268A (fr)
CH (1) CH273442A (fr)
ES (1) ES179498A1 (fr)
FR (1) FR944385A (fr)
GB (1) GB600073A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE943064C (de) * 1951-01-22 1956-05-09 Philips Nv Impulswiederholunssender fuer Radaranlagen
GB2494890A (en) * 2011-09-21 2013-03-27 Friendly Technologies Ltd Listing transponders
US9729363B2 (en) 2013-09-09 2017-08-08 Crfs Limited Frequency discriminator

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2628349A (en) * 1944-09-13 1953-02-10 Kenneth W Nightenhelser Homing system
US2624873A (en) * 1945-04-18 1953-01-06 Bess Leon Object locating identification system
BE468213A (fr) * 1945-09-27
US2677818A (en) * 1945-10-19 1954-05-04 Us Sec War Aircraft identification system
US2709773A (en) * 1945-10-19 1955-05-31 Ivan A Getting Remote control system with position indicating means
US2891246A (en) * 1945-12-10 1959-06-16 Jr John C Reed Beacon system
US2671895A (en) * 1946-02-15 1954-03-09 George D Perkins Automatic beacon range indicator
US2595141A (en) * 1946-10-10 1952-04-29 Rca Corp Radio system for aircraft identification
US2520840A (en) * 1947-02-15 1950-08-29 Union Switch & Signal Co Apparatus for automatically checking the operation of pulse-echo radio detection systems
US2678437A (en) * 1949-04-27 1954-05-11 Gen Railway Signal Co Air traffic control system
US2817832A (en) * 1951-02-02 1957-12-24 Robert H Mathes Multiple sweep
US2714206A (en) * 1951-09-12 1955-07-26 Raytheon Mfg Co Signal reliability indicators
GB718038A (en) * 1951-12-24 1954-11-10 Murphy Radio Ltd Improvements in radar systems
US2934760A (en) * 1952-04-08 1960-04-26 Samuel W Lichtman Multiplex pulse repetition rate remote control system
US2944254A (en) * 1952-11-14 1960-07-05 Ultra Electric Inc Method and apparatus for measuring distance in radio homing systems
US2768372A (en) * 1952-12-30 1956-10-23 Rca Corp Randomly pulsed radio ranging system
US2927321A (en) * 1956-01-26 1960-03-01 Donald B Harris Radio transmission systems with modulatable passive responder
US3039089A (en) * 1958-01-27 1962-06-12 Temco Electronics & Missiles C Radar system
US3810179A (en) * 1971-11-04 1974-05-07 Del Norte Technology Radar trilateralization position locators
US3918056A (en) * 1971-11-04 1975-11-04 Del Norte Technology Radar trilateralization position locators

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2165690A (en) * 1936-01-27 1939-07-11 Warrington C Wademan Navigation instrument
US2134716A (en) * 1936-10-20 1938-11-01 Gunn Ross Measuring speed and distance by radiant energy
US2252083A (en) * 1938-04-23 1941-08-12 Rca Corp Radio traffic control

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE943064C (de) * 1951-01-22 1956-05-09 Philips Nv Impulswiederholunssender fuer Radaranlagen
GB2494890A (en) * 2011-09-21 2013-03-27 Friendly Technologies Ltd Listing transponders
GB2494890B (en) * 2011-09-21 2015-09-30 Friendly Technologies Ltd Inventorying transponders
US9729363B2 (en) 2013-09-09 2017-08-08 Crfs Limited Frequency discriminator

Also Published As

Publication number Publication date
US2459811A (en) 1949-01-25
CH273442A (fr) 1951-02-15
BE481268A (fr)
ES179498A1 (es) 1947-10-16
FR944385A (fr) 1949-04-04

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